Answer: The correct answer is by helping readers relate to the species that depend on the reefs to survive.
Explanation: The author describes the biodiversity of the coral reefs and makes us see the importance of the species there.
Answer :
Cambridge English Dictionary defines hyphen as " the symbol -, used to join two words together, or to show that a word has been divided into two parts at the end of one line and the beginning of the next".
The correct answer, with all the hyphens in the right places, is :
The professor seemed very self-assured, but the students were afraid he would resign, which is why they re-signed the petition to investigate the false allegations made against him.